What is Workbench in Salesforce?
A workbench is a tool that is mainly used to test APIs created in Salesforce. It also consists of various other features like querying data, bulk API calls, making DML operations and migrating data(deploying and retrieving), etc.
How to use a workbench?
You just have to go to the workbench site. Log in with your salesforce org. Then you can start using Workbench.
Note: Whole practical implementation of using a workbench is shown in the video.
What is Postman?
Other than Workbench, There is another most used only API testing tool that is Postman. The difference between Postman and Workbench is their features. Postman can be used for any kind of API not only Salesforce API.
Note: Whole practical implementation of using a Postman is shown in the video.